fixups for x86_64 x32 toolchain, x86_64 32 still problematic

- add a musl patch to recognize x86_64-foo-muslx32
- rework multilib configuration
- remove explicit sjlj gcc configure, as suggested by the gcc docs
- fix strace for x32

13 files changed, 99 insertions, 68 deletions

diff --git a/mk/vars.mk b/mk/vars.mk
index 5fd4a51aa..cebfe7677 100644
--- a/mk/vars.mk
+++ b/mk/vars.mk
@@ -21,7 +21,7 @@ TOOLS_BUILD_DIR=	$(BASE_DIR)/tools_build
 SCRIPT_DIR:=		$(BASE_DIR)/scripts
 STAGING_HOST_DIR:=	${BASE_DIR}/host_${GNU_HOST_NAME}
 
-# PFX dirs for cleandir
+# dirs for cleandir
 FW_DIR_PFX:=		$(BASE_DIR)/firmware
 BUILD_DIR_PFX:=		$(BASE_DIR)/build_*
 STAGING_PKG_DIR_PFX:=	${BASE_DIR}/pkg_*
@@ -56,18 +56,13 @@ TARGET_PATH=		${SCRIPT_DIR}:${STAGING_TARGET_DIR}/scripts:${STAGING_HOST_DIR}/bi
 HOST_PATH=		${SCRIPT_DIR}:${STAGING_HOST_DIR}/bin:${STAGING_HOST_DIR}/usr/bin:${_PATH}
 AUTOTOOL_PATH=		${STAGING_HOST_DIR}/bin:${STAGING_HOST_DIR}/usr/bin:${STAGING_TARGET_DIR}/scripts:${_PATH}
 
-ifeq ($(ADK_TARGET_ABI_X32),y)
-GNU_TARGET_NAME=	$(CPU_ARCH)-x32-linux-$(ADK_TARGET_SUFFIX)
-else
-GNU_TARGET_NAME=	$(CPU_ARCH)-$(ADK_VENDOR)-linux-$(ADK_TARGET_SUFFIX)
-endif
-
 ifeq ($(ADK_DISABLE_HONOUR_CFLAGS),)
 GCC_CHECK:=		GCC_HONOUR_COPTS=2
 else
 GCC_CHECK:=
 endif
 
+GNU_TARGET_NAME:=	$(CPU_ARCH)-$(ADK_VENDOR)-linux-$(ADK_TARGET_SUFFIX)
 TARGET_CROSS:=		$(STAGING_HOST_DIR)/bin/$(GNU_TARGET_NAME)-
 TARGET_COMPILER_PREFIX?=${TARGET_CROSS}
 CONFIGURE_TRIPLE:=	--build=${GNU_HOST_NAME} --host=${GNU_TARGET_NAME} --target=${GNU_TARGET_NAME}
@@ -76,10 +71,17 @@ ifneq ($(strip ${ADK_USE_CCACHE}),)
 TARGET_COMPILER_PREFIX=ccache ${TARGET_CROSS}
 endif
 
-# target compiler flags
+# target tools
 TARGET_CC:=		${TARGET_COMPILER_PREFIX}gcc
 TARGET_CXX:=		${TARGET_COMPILER_PREFIX}g++
 TARGET_LD:=		${TARGET_COMPILER_PREFIX}ld
+TARGET_AR:=		${TARGET_COMPILER_PREFIX}ar
+TARGET_RANLIB:=		${TARGET_COMPILER_PREFIX}ranlib
+
+ifneq ($(ADK_TARGET_ABI_CFLAGS),)
+TARGET_CC+=		$(ADK_TARGET_ABI_CFLAGS)
+TARGET_CXX+=		$(ADK_TARGET_ABI_CFLAGS)
+endif
 
 MODE_FLAGS:=
 ifeq ($(ADK_LINUX_ARM),y)
@@ -91,13 +93,13 @@ endif
 endif
 
 TARGET_CPPFLAGS:=	
-TARGET_CFLAGS:=		$(TARGET_CFLAGS_ARCH) -fwrapv -fno-ident -fhonour-copts $(ADK_TARGET_ABI_CFLAGS) $(MODE_FLAGS)
-TARGET_CFLAGS_LIBC:=	$(TARGET_CFLAGS_ARCH) -fwrapv -fno-ident -fhonour-copts $(TARGET_OPTIMIZATION) $(MODE_FLAGS)
-TARGET_CXXFLAGS:=	$(TARGET_CFLAGS_ARCH) -fwrapv -fno-ident $(MODE_FLAGS)
+TARGET_CFLAGS:=		$(TARGET_CFLAGS_ARCH) -fwrapv -fno-ident -fhonour-copts
+TARGET_CXXFLAGS:=	$(TARGET_CFLAGS_ARCH) -fwrapv -fno-ident
 TARGET_LDFLAGS:=	-L$(STAGING_TARGET_DIR)/lib -L$(STAGING_TARGET_DIR)/usr/lib \
 			-Wl,-O1 -Wl,-rpath -Wl,/usr/lib \
 			-Wl,-rpath-link -Wl,${STAGING_TARGET_DIR}/usr/lib \
 			$(ADK_TARGET_ABI_LDFLAGS)
+
 # security optimization, see http://www.akkadia.org/drepper/dsohowto.pdf
 TARGET_LDFLAGS+=	-Wl,-z,relro,-z,now
 # needed for musl ppc 
@@ -130,6 +132,10 @@ TARGET_CFLAGS+=		-fno-unwind-tables -fno-asynchronous-unwind-tables
 TARGET_CFLAGS+=		-g3
 endif
 
+ifneq ($(MODE_FLAGS),)
+TARGET_CFLAGS+=		$(MODE_CFLAGS)
+TARGET_CXXFLAGS+=	$(MODE_CFLAGS)
+endif
 
 # A nifty macro to make testing gcc features easier (from uClibc project)
 check_gcc=$(shell \
@@ -150,9 +156,11 @@ PATCH=			${BASH} $(SCRIPT_DIR)/patch.sh
 SED:=			PATH=${HOST_PATH} sed -i -e
 LINUX_DIR:=		$(BUILD_DIR)/linux
 KERNEL_MODULE_FLAGS:=	ARCH=${ARCH} \
-			KERNEL_PATH=${LINUX_DIR} KERNELDIR=${LINUX_DIR} KERNEL_DIR=${LINUX_DIR} \
+			KERNEL_PATH=${LINUX_DIR} \
+			KERNELDIR=${LINUX_DIR} \
+			KERNEL_DIR=${LINUX_DIR} \
 			PREFIX=/usr CROSS_COMPILE="${TARGET_CROSS}" \
-			LDFLAGS="$(ADK_TARGET_KERNEL_LDFLAGS)" CFLAGS_MODULE="-fhonour-copts" V=1
+			CFLAGS_MODULE="-fhonour-copts" V=1
 
 TARGET_CONFIGURE_OPTS=	PATH='${TARGET_PATH}' \
 			AR='$(TARGET_CROSS)ar' \
diff --git a/package/binutils/Makefile b/package/binutils/Makefile
index c23bac585..5734e198d 100644
--- a/package/binutils/Makefile
+++ b/package/binutils/Makefile
@@ -25,10 +25,10 @@ include ${TOPDIR}/mk/package.mk
 $(eval $(call PKG_template,BINUTILS,${PKG_NAME},${PKG_VERSION}-${PKG_RELEASE},${PKG_DEPENDS},${PKG_DESCR},${PKG_SECTION}))
 $(eval $(call PKG_template,LIBBFD,libbfd,${PKG_VERSION}-${PKG_RELEASE},,${PKGSD_LIBBFD},${PKGSC_LIBBFD},${PKG_OPTS}))
 
-ifeq ($(ADK_TARGET_WITH_MULTILIB),y)
-CONFIGURE_ARGS+=	--enable-multilib
-else
+ifeq ($(ADK_LINUX_SH)$(ADK_LINUX_X86_64),)
 CONFIGURE_ARGS+=	--disable-multilib
+else
+CONFIGURE_ARGS+=	--enable-multilib
 endif
 
 TARGET_CFLAGS:=         $(filter-out -flto,$(TARGET_CFLAGS))
diff --git a/package/glibc/Makefile b/package/glibc/Makefile
index 17c49f3af..92ccf8cd4 100644
--- a/package/glibc/Makefile
+++ b/package/glibc/Makefile
@@ -31,10 +31,10 @@ INSTALL_STYLE:=		manual
 # compile nothing, glibc is already build in toolchain directory
 do-install:
 	${INSTALL_DIR} ${IDIR_GLIBC}/$(ADK_TARGET_LIBC_PATH)
-	$(CP) $(STAGING_TARGET_DIR)/lib/ld*.so* $(IDIR_GLIBC)/$(ADK_TARGET_LIBC_PATH)
+	$(CP) $(STAGING_TARGET_DIR)/$(ADK_TARGET_LIBC_PATH)/ld*.so* $(IDIR_GLIBC)/$(ADK_TARGET_LIBC_PATH)
 	for file in libc libcrypt libdl libm libnsl libresolv libutil libnss_compat libnss_dns libnss_files; do \
-		$(CP) $(STAGING_TARGET_DIR)/lib/$$file.so* $(IDIR_GLIBC)/$(ADK_TARGET_LIBC_PATH); \
-		$(CP) $(STAGING_TARGET_DIR)/lib/$$file-$(PKG_VERSION).so $(IDIR_GLIBC)/$(ADK_TARGET_LIBC_PATH); \
+		$(CP) $(STAGING_TARGET_DIR)/$(ADK_TARGET_LIBC_PATH)/$$file.so* $(IDIR_GLIBC)/$(ADK_TARGET_LIBC_PATH); \
+		$(CP) $(STAGING_TARGET_DIR)/$(ADK_TARGET_LIBC_PATH)/$$file-$(PKG_VERSION).so $(IDIR_GLIBC)/$(ADK_TARGET_LIBC_PATH); \
 	done
 	${INSTALL_DIR} $(IDIR_GLIBC)/usr/bin
 	$(CP) $(STAGING_TARGET_DIR)/usr/bin/getconf $(IDIR_GLIBC)/usr/bin
diff --git a/package/strace/patches/patch-desc_c b/package/strace/patches/patch-desc_c
index 9cfb5f505..63a01023e 100644
--- a/package/strace/patches/patch-desc_c
+++ b/package/strace/patches/patch-desc_c
@@ -1,5 +1,5 @@
 --- strace-4.8.orig/desc.c	2013-05-02 00:39:10.000000000 +0200
-+++ strace-4.8/desc.c	2014-02-25 15:16:36.000000000 +0100
++++ strace-4.8/desc.c	2014-03-01 19:44:21.000000000 +0100
 @@ -223,7 +223,7 @@ static const struct xlat perf_event_open
  	{ 0,				NULL			},
  };
@@ -9,3 +9,15 @@
  /* fcntl/lockf */
  static void
  printflock64(struct tcb *tcp, long addr, int getlk)
+@@ -255,7 +255,11 @@ printflock(struct tcb *tcp, long addr, i
+ #if SUPPORTED_PERSONALITIES > 1
+ # ifdef X32
+ 	if (current_personality == 0) {
++#if defined(__GLIBC__)
+ 		printflock64(tcp, addr, getlk);
++#else
++		printflock(tcp, addr, getlk);
++#endif
+ 		return;
+ 	}
+ # endif
diff --git a/target/config/Config.in b/target/config/Config.in
index d2d5b6671..c3512a71f 100644
--- a/target/config/Config.in
+++ b/target/config/Config.in
@@ -578,17 +578,6 @@ config ADK_TARGET_ABI_CFLAGS
 	default "-mx32" if ADK_x32
 	default "-m64" if ADK_64
 
-config ADK_TARGET_ABI_LDFLAGS
-	string
-	default "-Wl,-m -Wl,elf_i386" if ADK_32
-
-config ADK_TARGET_KERNEL_LDFLAGS
-	string
-	default "-mabi=64" if ADK_n32 && ADK_TARGET_KERNEL64
-	default "-mabi=64" if ADK_o32 && ADK_TARGET_KERNEL64
-	default "-mabi=64" if ADK_n64 && ADK_TARGET_KERNEL64
-	default ""
-
 config ADK_TARGET_CFLAGS
 	string
 	default "-march=geode" if ADK_CPU_GEODE
diff --git a/target/microblaze/sys-available/qemu-microblaze b/target/microblaze/sys-available/qemu-microblaze
index a964cf924..63214e39b 100644
--- a/target/microblaze/sys-available/qemu-microblaze
+++ b/target/microblaze/sys-available/qemu-microblaze
@@ -5,7 +5,6 @@ config ADK_TARGET_SYSTEM_QEMU_MICROBLAZE
 	select ADK_qemu_microblaze
 	select ADK_HARDWARE_QEMU
 	select ADK_TARGET_KERNEL_LINUXBIN
-	select ADK_TOOLCHAIN_GCC_SJLJ
 	help
 	 Qemu support for microblaze big endian architecture.
 
diff --git a/target/microblaze/sys-available/qemu-microblazeel b/target/microblaze/sys-available/qemu-microblazeel
index 4ee4229d2..a58083770 100644
--- a/target/microblaze/sys-available/qemu-microblazeel
+++ b/target/microblaze/sys-available/qemu-microblazeel
@@ -5,7 +5,6 @@ config ADK_TARGET_SYSTEM_QEMU_MICROBLAZEEL
 	select ADK_little
 	select ADK_HARDWARE_QEMU
 	select ADK_TARGET_KERNEL_LINUXBIN
-	select ADK_TOOLCHAIN_GCC_SJLJ
 	help
 	 Qemu support for microblaze little endian architecture.
 
diff --git a/toolchain/Config.in b/toolchain/Config.in
index d6a578233..54016212a 100644
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -1,7 +1,3 @@
-config ADK_TOOLCHAIN_GCC_SJLJ
-	boolean
-	default n
-
 menu "Toolchain settings"
 
 config ADK_TOOLCHAIN_GDB
@@ -17,7 +13,7 @@ config ADK_TOOLCHAIN_GCC_CXX
 config ADK_TOOLCHAIN_GCC_SSP
 	prompt "Enable Stack Smashing Protection in GCC"
 	boolean
-	default n
+	default y
 
 config ADK_TOOLCHAIN_GCC_USE_SSP
 	prompt "Use SSP for all packages"
@@ -28,7 +24,7 @@ config ADK_TOOLCHAIN_GCC_USE_SSP
 config ADK_TOOLCHAIN_GCC_LTO
 	prompt "Enable Link Time Optimization in GCC"
 	boolean
-	default n
+	default y
 
 config ADK_TOOLCHAIN_GCC_USE_LTO
 	prompt "Use Link Time Optimization for all packages"
diff --git a/toolchain/binutils/Makefile b/toolchain/binutils/Makefile
index 8ebbea53c..fc256c578 100644
--- a/toolchain/binutils/Makefile
+++ b/toolchain/binutils/Makefile
@@ -20,6 +20,12 @@ ifneq ($(strip $(ADK_LINUX_64)$(ADK_TARGET_KERNEL64)),)
 CONFOPTS+=		--enable-64-bit-bfd
 endif
 
+ifeq ($(ADK_LINUX_SH)$(ADK_LINUX_X86_64),)
+CONFOPTS+=		--disable-multilib
+else
+CONFOPTS+=		--enable-multilib
+endif
+
 ifeq (${ADK_MAKE_PARALLEL},y)
 BINUTILS_MAKEOPTS+=	-j${ADK_MAKE_JOBS}
 endif
@@ -31,7 +37,6 @@ $(WRKBUILD)/.configured:
 		--prefix=$(STAGING_HOST_DIR) \
 		--target=$(GNU_TARGET_NAME) \
 		--with-sysroot=$(STAGING_TARGET_DIR) \
-		--disable-multilib \
 		--disable-dependency-tracking \
 		--disable-libtool-lock \
 		--disable-nls \
diff --git a/toolchain/gcc/Makefile b/toolchain/gcc/Makefile
index f93f9d7cf..475c90662 100644
--- a/toolchain/gcc/Makefile
+++ b/toolchain/gcc/Makefile
@@ -4,11 +4,11 @@
 include $(TOPDIR)/rules.mk
 include ../rules.mk
 
-TARGET_CFLAGS:=	$(filter-out -fstack-protector,$(TARGET_CFLAGS))
+TARGET_CFLAGS:=		$(filter-out -fstack-protector,$(TARGET_CFLAGS))
 
 include Makefile.inc
 
-GCC_CONFOPTS=		--prefix=$(STAGING_HOST_DIR) \
+GCC_CONFOPTS:=		--prefix=$(STAGING_HOST_DIR) \
 			--with-bugurl="http://www.openadk.org/" \
 			--build=$(GNU_HOST_NAME) \
 			--host=$(GNU_HOST_NAME) \
@@ -28,41 +28,43 @@ GCC_CONFOPTS=		--prefix=$(STAGING_HOST_DIR) \
 			--disable-libstdcxx-pch \
 			--disable-ppl-version-check \
 			--disable-cloog-version-check \
+			--without-system-zlib \
 			--without-ppl \
 			--without-cloog \
 			--without-isl \
 			--disable-nls
 
-ifeq ($(ADK_TOOLCHAIN_GCC_SJLJ),y)
-GCC_CONFOPTS+=		--enable-sjlj-exceptions
-else
-GCC_CONFOPTS+=		--disable-sjlj-exceptions
-endif
-
+GCC_FINAL_CONFOPTS:=
 ifeq ($(ADK_LINUX_SH)$(ADK_LINUX_X86_64),)
-GCC_CONFOPTS+=		--disable-biarch --disable-multilib
+GCC_FINAL_CONFOPTS+=	--disable-biarch --disable-multilib
 endif
+
 ifeq ($(ADK_LINUX_SH),y)
-GCC_CONFOPTS+=		--with-multilib-list=m4,m4-nofpu
+GCC_FINAL_CONFOPTS+=	--enable-multilib --with-multilib-list=m4,m4-nofpu
 endif
+
 ifeq ($(ADK_LINUX_X86_64),y)
 ifeq ($(ADK_x32),y)
-GCC_CONFOPTS+=		--with-multilib-list=mx32
-else
-GCC_CONFOPTS+=		--disable-biarch --disable-multilib
+GCC_FINAL_CONFOPTS+=	--enable-multilib --with-multilib-list=mx32
+endif
+ifeq ($(ADK_32),y)
+GCC_FINAL_CONFOPTS+=	--enable-multilib --with-multilib-list=m32
+endif
+ifeq ($(ADK_64),y)
+GCC_FINAL_CONFOPTS+=	--disable-biarch --disable-multilib
 endif
 endif
 
 ifeq ($(ADK_TOOLCHAIN_GCC_SSP),y)
-GCC_CONFOPTS+=		--enable-libssp
+GCC_FINAL_CONFOPTS+=	--enable-libssp
 else
-GCC_CONFOPTS+=		--disable-libssp
+GCC_FINAL_CONFOPTS+=	--disable-libssp
 endif
 
 ifeq ($(ADK_TOOLCHAIN_GCC_LTO),y)
-GCC_CONFOPTS+=		--enable-lto
+GCC_FINAL_CONFOPTS+=	--enable-lto
 else
-GCC_CONFOPTS+=		--disable-lto
+GCC_FINAL_CONFOPTS+=	--disable-lto
 endif
 
 ifeq ($(ADK_LINUX_PPC),y)
@@ -132,6 +134,9 @@ endif
 		$(WRKBUILD)/configure \
 			${GCC_CONFOPTS} \
 			--enable-languages=c \
+			--disable-multilib \
+			--disable-lto \
+			--disable-libssp \
 			--disable-shared \
 			--without-headers
 	touch $@
@@ -151,6 +156,7 @@ $(GCC_BUILD_DIR_INITIAL)/.configured:
 		CXXFLAGS="-O0 -g0" \
 		$(WRKBUILD)/configure \
 			${GCC_CONFOPTS} \
+			${GCC_FINAL_CONFOPTS} \
 			--enable-languages=c \
 			--disable-shared \
 			--disable-threads \
@@ -171,6 +177,7 @@ $(GCC_BUILD_DIR_FINAL)/.configured:
 	cd $(GCC_BUILD_DIR_FINAL); PATH='$(TARGET_PATH)' \
 		$(WRKBUILD)/configure \
 			${GCC_CONFOPTS} \
+			${GCC_FINAL_CONFOPTS} \
 			--enable-languages=$(LANGUAGES) \
 			--with-build-sysroot='$${prefix}/${STAGING_HOST2TARGET}' \
 			--with-sysroot='$${prefix}/${STAGING_HOST2TARGET}' \
diff --git a/toolchain/glibc/Makefile b/toolchain/glibc/Makefile
index 41987bada..4af17c3d7 100644
--- a/toolchain/glibc/Makefile
+++ b/toolchain/glibc/Makefile
@@ -5,13 +5,13 @@ include $(TOPDIR)/rules.mk
 include ../rules.mk
 
 # glibc does not compile with Os
-TARGET_CFLAGS_LIBC:= $(subst Os,O2,$(TARGET_CFLAGS_LIBC))
+TARGET_CFLAGS:=		$(subst Os,O2,$(TARGET_CFLAGS))
 ifneq ($(ADK_DEBUG),)
-TARGET_CFLAGS_LIBC+=	-O2
+TARGET_CFLAGS+=		-O2
 endif
 
 # ssp partially supported
-TARGET_CFLAGS_LIBC:=	$(filter-out -fstack-protector,$(TARGET_CFLAGS_LIBC))
+TARGET_CFLAGS:=		$(filter-out -fstack-protector,$(TARGET_CFLAGS))
 
 include Makefile.inc
 include ${TOPDIR}/mk/buildhlp.mk
diff --git a/toolchain/glibc/Makefile.inc b/toolchain/glibc/Makefile.inc
index 3c1a3167d..6671f1e2d 100644
--- a/toolchain/glibc/Makefile.inc
+++ b/toolchain/glibc/Makefile.inc
@@ -6,8 +6,13 @@ PKG_VERSION:=		2.19
 PKG_RELEASE:=		1
 PKG_MD5SUM:=		5374d29864b583622b62bfc6b8429418
 PKG_SITES:=		${MASTER_SITE_GNU:=glibc/}
+ifeq ($(ADK_TARGET_ABI_32),y)
+GLIBC_TARGET_NAME:=	i686-openadk-linux-gnu
+else
+GLIBC_TARGET_NAME:=	$(GNU_TARGET_NAME)
+endif
 GLIBC_CONFOPTS:=	--build=$(GNU_HOST_NAME) \
-			--host=$(GNU_TARGET_NAME) \
+			--host=$(GLIBC_TARGET_NAME) \
 			--with-headers=$(STAGING_TARGET_DIR)/usr/include \
 			--disable-sanity-checks \
 			--disable-nls \
@@ -21,16 +26,15 @@ GLIBC_CONFOPTS:=	--build=$(GNU_HOST_NAME) \
 			--enable-kernel="2.6.32" \
 			--enable-add-ons
 GLIBC_ENV:=             PATH='${TARGET_PATH}' \
+			SHELL='${SHELL}' \
                         BUILD_CC=${CC_FOR_BUILD} \
-                        CFLAGS="$(TARGET_CFLAGS_LIBC)" \
-                        CC=${GNU_TARGET_NAME}-gcc \
-                        CXX=${GNU_TARGET_NAME}-g++ \
-                        AR=${GNU_TARGET_NAME}-ar \
-                        RANLIB=${GNU_TARGET_NAME}-ranlib \
+                        CFLAGS="$(TARGET_CFLAGS)" \
+                        CC="${TARGET_CC}" \
+                        CXX="${TARGET_CXX}" \
+                        AR="${TARGET_AR}" \
+                        RANLIB="${TARGET_RANLIB}" \
                         libc_cv_forced_unwind=yes \
 			libc_cv_cc_with_libunwind=yes \
                         libc_cv_c_cleanup=yes \
                         libc_cv_gnu99_inline=yes \
-			libc_cv_sparc64_tls=yes \
-			libc_cv_slibdir="/lib" \
 			libc_cv_initfini_array=yes \
diff --git a/toolchain/musl/patches/musl-x32.patch b/toolchain/musl/patches/musl-x32.patch
new file mode 100644
index 000000000..c391e4c85
--- /dev/null
+++ b/toolchain/musl/patches/musl-x32.patch
@@ -0,0 +1,12 @@
+diff -Nur musl-0.9.15.orig/configure musl-0.9.15/configure
+--- musl-0.9.15.orig/configure	2014-03-16 21:17:29.000000000 +0100
++++ musl-0.9.15/configure	2014-03-16 22:46:46.000000000 +0100
+@@ -226,7 +226,7 @@
+ mips64*|powerpc64*) fail "$0: unsupported target \"$target\"" ;;
+ arm*) ARCH=arm ;;
+ i?86*) ARCH=i386 ;;
+-x86_64-x32*|x32*) ARCH=x32 ;;
++x86_64*x32) ARCH=x32 ;;
+ x86_64*) ARCH=x86_64 ;;
+ mips*) ARCH=mips ;;
+ microblaze*) ARCH=microblaze ;;